Here are other examples of where that word for 'seed' is used and it can be agricultural as well and as the seed of Abraham or the sons of God [Jesus speaking in the chpt] that we read of in Rev 21:7 and also the BDB definitions as well -added to yours ...
H2233
זרע
zera‛
Total KJV Occurrences: 230
seed, 221
Gen_1:10-12 (5), Gen_1:29 (2), Gen_3:15 (2), Gen_4:25, Gen_7:3, Gen_9:9, Gen_12:7, Gen_13:15-16 (3), Gen_15:3, Gen_15:5, Gen_15:13, Gen_15:18, Gen_16:10, Gen_17:7-10 (5), Gen_17:12, Gen_17:19, Gen_19:32, Gen_19:34, Gen_21:12-13 (2), Gen_22:17-18 (3), Gen_24:7, Gen_24:60, Gen_26:3-4 (4), Gen_26:24, Gen_28:4, Gen_28:13-14 (3), Gen_35:12 (2), Gen_38:8-9 (3), Gen_46:6-7 (2), Gen_47:19, Gen_47:23-24 (2), Gen_48:4, Gen_48:11, Gen_48:19, Exo_16:31, Exo_28:43, Exo_30:21, Exo_32:13 (2), Exo_33:1, Lev_11:37-38 (2), Lev_12:2, Lev_15:16-18 (3), Lev_15:32, Lev_18:21, Lev_20:2-4 (3), Lev_21:15, Lev_21:17, Lev_21:21, Lev_22:3-4 (3), Lev_27:16 (3), Lev_27:30, Num_5:28, Num_11:7, Num_14:24, Num_16:40, Num_18:19, Num_20:5, Num_24:7, Num_25:13, Deu_1:8, Deu_4:37, Deu_10:15, Deu_11:9-10 (2), Deu_14:22, Deu_22:9, Deu_28:38, Deu_28:46, Deu_28:59, Deu_30:6, Deu_30:19, Deu_31:21, Deu_34:4, Jos_24:3, Rth_4:12, 1Sa_2:20, 1Sa_8:15, 1Sa_20:42 (2), 1Sa_24:21, 2Sa_4:8, 2Sa_7:12, 2Sa_22:51, 1Ki_2:33 (2), 1Ki_11:14, 1Ki_11:39, 1Ki_18:32, 2Ki_5:27, 2Ki_11:1, 2Ki_17:20, 2Ki_25:25, 1Ch_16:13, 1Ch_17:11, 2Ch_20:7, 2Ch_22:10, Ezr_2:59, Ezr_9:2, Neh_7:61, Neh_9:2, Neh_9:8, Est_6:13, Est_9:27-28 (2), Est_9:31, Est_10:3, Job_5:25, Job_21:8, Job_39:12, Psa_18:50, Psa_21:10, Psa_22:23 (2), Psa_22:30, Psa_25:13, Psa_37:25-26 (2), Psa_37:28, Psa_69:36, Psa_89:4, Psa_89:29, Psa_89:36, Psa_102:28, Psa_105:6, Psa_106:27, Psa_112:2, Psa_126:6, Pro_11:21, Ecc_11:6, Isa_1:4, Isa_5:10, Isa_6:13, Isa_14:20, Isa_17:11, Isa_23:3, Isa_30:23, Isa_41:8, Isa_43:5, Isa_44:3, Isa_45:19, Isa_45:25, Isa_48:19, Isa_53:10, Isa_54:3, Isa_55:10, Isa_57:3-4 (2), Isa_59:21 (2), Isa_65:9 (3), Isa_65:23, Isa_66:22, Jer_2:21, Jer_7:15, Jer_22:28, Jer_22:30, Jer_23:8, Jer_29:32, Jer_30:10, Jer_31:27 (2), Jer_31:36-37 (2), Jer_33:22, Jer_33:26 (3), Jer_35:7, Jer_35:9, Jer_36:31, Jer_41:1, Jer_46:27, Jer_49:10, Eze_17:5, Eze_17:13, Eze_20:5, Eze_43:19, Eze_44:22, Dan_1:3, Dan_9:1, Amo_9:13, Hag_2:19, Zec_8:12, Mal_2:15
carnally, 3
Lev_19:20 (2), Num_5:13
child, 2
Lev_22:13 (2), 1Sa_1:11
fruitful, 1
Eze_17:5
seed’s, 1
Isa_59:21
seedtime, 1
Gen_8:21-22 (2)
sowing, 1
Lev_26:5
H2233
זרע
zera‛
BDB Definition:
1) seed, sowing, offspring
1a) a sowing
1b) seed
1c) semen virile
1d) offspring, descendants, posterity, children
1e) of moral quality
1e1) a practitioner of righteousness (figuratively)
1f) sowing time (by metonymy)
Part of Speech: noun masculine
A Related Word by BDB/Strong’s Number: from H2232
H2232
זרע
zâra‛
BDB Definition:
1) to sow, scatter seed
1a) (Qal)
1a1) to sow
1a2) producing, yielding seed
1b) (Niphal)
1b1) to be sown
1b2) to become pregnant, be made pregnant
1c) (Pual) to be sown
1d) (Hiphil) to produce seed, yield seed
Part of Speech: verb
A Related Word by BDB/Strong’s Number: a primitive root